Enter the options screen, then select "Cheat Codes". Enter one of the following case-sensitive codes to activate the corresponding cheat function:
| Result || Cheat Code |
|Unlock all modes||theparrot|
|Unlock all cities||griswold|
|All cities, vehicles and modes in arcade mode||upupdowndown or rimbuk|
|Set difficulty; 0 is easiest||howhardcanitbe[0-9]|
|Set speed; 0 is slowest||howfastcanitbe[0-9]|
|Press F to fire gun, disable damage||starpower|
|Press F to fire gun, H to fire rocket; disable|
|Unlimited nitrous, also added to bikes||yerbamate|
|Flip The Finger|
Choose the motorcycle and go into any mode. Remain idle without moving. After about thirty seconds, the man on the bike will turn around and flip the finger.
Look at some of the graffiti on the walls in Los Angeles to find some interesting things. Near a wall by the airport is graffiti that says "Vice City", referring to the fact that Rockstar made both Midnight Club 2 and Grand Theft Auto: Vice City. There is also saw a wall that had "Rockstar" on it.
|Los Angeles Police Car|
Win all the circuit races in Los Angeles in arcade mode to unlock the Los Angeles police car.
|Losing The Police|
When side by side with a police car, find a tree or pole ahead that is on the side nearest to the police car. Push the police car into the tree or pole. When a police car is directly behind you, find a tree or pole ahead. Drive directly toward it and when near, take a sharp turn away from it. The police car will smash into the tree or pole.
Defeat five motorcycles in a long race to unlock the motorcycle.
|Paris Police Car|
Win all the circuit races in Paris in arcade mode to unlock the Paris police car.
Win all the races in Los Angeles, Paris, and Tokyo in arcade mode to unlock the SLFA50X. It is the fastest car in the game and can hit 250 mph with no boost. You can only use it in arcade mode.
|Tokyo Police Car|
Win all the circuit races in Tokyo in arcade mode to unlock the Tokyo police car.
Win all six of the World Champion's races (Savo) to unlock the Veloci.